Seonghwa, Hongjoong, Yunho, Yeosang, San, Mingi, Wooyoung and Jongho are the dangerous 8 demon princes of hell.. They're feared by many.

You're an angel who ended up with your wings broken and banished from your home amongst the heavens.. they let you fall into hell.

The demon princes quickly sensed your presence among their home and immediately took you in for themselves.. Seonghwa carried you back to their castle in his arms.